A video technique for phakometry of the human crystalline lens.
D O Mutti, K Zadnik, A J Adams
https://pubmed.ncbi.nlm.nih.gov/1559777Status Unknown
Age: 6Years - 14Years
All Genders
Healthy Volunteers
ID00000169
The Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study
Led by National Eye Institute (NEI) · Updated on 2005-06-24
N/A
Participants Needed
3
Research Sites
N/A
Total Duration
On this page
AI-Summary
What this Trial Is About
To compare and contrast normal eye growth, ocular component development, and refractive error development in Hispanic, African-American, and Asian schoolchildren with what happens in Caucasian children from the Orinda Longitudinal Study of Myopia. To investigate risk factors for the development of myopia. To conduct DNA-based studies on nearsighted children and their families.
CONDITIONS
Brief Title
The Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study
Who Can Participate
Age: 6Years - 14Years
All Genders
Healthy Volunteers
Eligibility Criteria
You may qualify if you...
Children were eligible if they were enrolled in the first through eighth grades in selected schools in Eutaw, Alabama; Houston, Texas; Orinda, California; or Irvine, California in the 1997-98 academic year and in the first grade only in Eutaw, Houston, and Irvine in the 1998-99 academic year.
You will not qualify if you...
History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety
Trial Site Locations
Total: 3 locations
1
West Alabama Health Services, Inc.
Eutaw, Alabama, United States, 35462
Actively Recruiting
2
Southern California College of Optometry
Fullerton, California, United States, 92831
Actively Recruiting
3
University of Houston, College of Optometry
Houston, Texas, United States, 77204-2020
Actively Recruiting
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Research Team
L
Lisa A. Jones, Ph.D.
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
0
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Published Research Related To This Trial
The repeatability of measurement of the ocular components.
K Zadnik, D O Mutti, A J Adams
https://pubmed.ncbi.nlm.nih.gov/1607244Validity of surveys reporting myopia, astigmatism, and presbyopia.
J J Walline, K Zadnik, D O Mutti
https://pubmed.ncbi.nlm.nih.gov/8807648Initial cross-sectional results from the Orinda Longitudinal Study of Myopia.
K Zadnik, D O Mutti, N E Friedman...
https://pubmed.ncbi.nlm.nih.gov/8233371The effect of parental history of myopia on children's eye size.
K Zadnik, W A Satariano, D O Mutti...
https://pubmed.ncbi.nlm.nih.gov/8158816Repeatability of corneal topography: the "corneal field".
K Zadnik, N E Friedman, D O Mutti
https://pubmed.ncbi.nlm.nih.gov/7634141The equivalent refractive index of the crystalline lens in childhood.
D O Mutti, K Zadnik, A J Adams
https://pubmed.ncbi.nlm.nih.gov/7667914Longitudinal evidence of crystalline lens thinning in children.
K Zadnik, D O Mutti, R E Fusaro...
https://pubmed.ncbi.nlm.nih.gov/7601639Quantifying corneal toricity from videokeratography with Fourier analysis.
N E Friedman, K Zadnik, D O Mutti...
https://pubmed.ncbi.nlm.nih.gov/8963798Corneal changes in schoolchildren.
N E Friedman, D O Mutti, K Zadnik
https://pubmed.ncbi.nlm.nih.gov/8869987